US Bridges

N15 over Lost Creek

Fair

Colfax County, Nebraska · 0S Schuyler · Structure no. S015 10746

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
3,360
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over Lost Creek is a concrete continuous slab carrying N15 over Lost Creek in Colfax County, Nebraska. It was built in 1985, so it is 40 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,360 vehicles a day, roughly 10% of them trucks, projected to reach 3,864 by 2038. The structure is 92 ft (28 m) long and 43 ft wide. If it were closed, the detour would be 348 mi (560 km).

CarriesN15
CrossesLost Creek
Location0S Schuyler
RouteState Highway 15
Coordinates41.437, -97.0598
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating27.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span36 ft (11 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,360 (2018)
Projected traffic3,864 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed348 mi (560 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N15 over Lost Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is N15 over Lost Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does N15 over Lost Creek carry?

About 3,360 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N15 over Lost Creek?

The structure is 92 ft (28 m) long with a longest span of 36 ft (11 m) and a deck 43 ft wide.

Who owns N15 over Lost Creek?

It is owned by the State Highway Agency.